Senior Embedded Software Engineer I - Spacecraft

About the role

CesiumAstro is a developer and pioneer of communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We are seeking a Senior Flight Software Engineer I to join our Internal Missions team. This role involves designing, developing, and integrating mission systems including satellites, ground stations, and mission operations centers. The ideal candidate will have experience in spacecraft software development and be able to work on a small team to develop satellites and put them in orbit.

Job Duties And Responsibilities

• Design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
• Develop, code, test, debug, and document system software.
• Review code and system designs.
• Analyze code for efficiency, stability, and scalability.
• Integrate and validate new product designs.
• Support software quality assurance and optimize I/O performance.
• Provide post-production/in-orbit customer support.
• Interface with hardware design and development engineers.
• Assess third party and open-source software.

Job Requirements And Minimum Qualifications

• Bachelor of Science (BS), Master of Science (MS), or Doctorate (PhD) degree in Software or Computer Engineering from an accredited university or institution.
• Minimum of 4 years of industry experience in spacecraft software development. A Master's degree may count as two years of experience.
• Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.).
• Experience with C, C++, Python, or other languages in an aerospace context.
• A strong understanding of space missions from conception through flight and disposal.
• Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, sequencing, and operations.
• Experience with spacecraft failure in post-CDR testing and on-orbit, root cause analysis, and recovery.
• Experience with design for reliability, spaceflight redundancy, and fault detection, identification, and recovery.
• Space software experience with attitude dynamics, coordinate frame transformations, vector mathematics, radiative heat transfer, spacecraft propulsion, space communication systems, and power systems.
• Experience with communication protocols such as TCP/IP or UDP for use in software-in-the-loop and hardware-in-the-loop lab development and for use in space flight.
• Experience in interfacing a variety of open-source software to create an integrated system.
• Embedded software experience, particularly for space missions.
• Ability to implement physical first principles as scripts or spreadsheets.
• Experience with processes for software release, revisioning, and configuration.
• Familiarity with configuration management tools, defect tracking tools, and peer review.
• Experience with trades and processes for handling radiation tolerance in software on automotive grade parts.
• Familiarity with systems for continuous integration, test, and delivery.
• Excellent understanding of multi-threaded applications and resource management.
• Excellent written and verbal communication skills.

Preferred Experience

• CubeSat and SmallSat experience including LEO, MEO, GEO, and beyond.
• Hands-on experience with spacecraft instrumentation, subsystems, and test labs.
• Experience with JPL F’, NASA cFS, and other commercial space software frameworks.
• Experience with ground system software engineering for space missions.
• Experience in a team leadership role on a space software program.
• Experience in other non-space safety critical software programs.
• Experience with network security.

Pay

$120,000 - $160,500 a year

Schedule

Full-time employment

Benefits

• Company stock options
• Generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans

Qualifications

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law. Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans.